A.J. Finn is the pen name of American author Daniel Mallory, known for his psychological thrillers. He gained widespread recognition with his debut novel, The Woman in the Window, published in 2018. The book became a bestseller and was later adapted into a film, showcasing Finn's ability to weave suspenseful narratives. Finn's writing often explores themes of isolation and perception, drawing readers into complex characters and gripping plots. He has cited influences from classic literature and contemporary authors, contributing to his unique storytelling style. His work has garnered critical acclaim and a dedicated readership.